"By the way, I enjoyed your jumping game; the best I found was the
321321321 which I encoded in my comment -- for which my apologies if I
gave offense. ADJNLHCMNR somehow lacked in euphony."

I would hardly think there would be any cause for Charlie to take offence, very frequently members in the past have voiced solutions which in reality have been spoilers but they have been disguised, sometimes more subtlely than was yours. Such an answer does not inhibit someone who, feeling a little reticent, may feel they have a solution worthy of offer.